This only because of the low ash content, to keep from clogging the dpf, not because of better lubrication.
DPF only came in 09 and up. The oil spec was for the introduction of the high pressure injectors in the PD motors.
This only because of the low ash content, to keep from clogging the dpf, not because of better lubrication.
That conventional oils you use is about as great as that E85 you use LOL..
The only way he's able to to drive his rig xxx miles is because it probably holds 8 gallons of oil.. He has reserve oil.. Had he filled his oil with a quality synthetic.. He could surpass his oil change miles on his dino oil